[lkml]   [2009]   [Sep]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: regression in page writeback
On Tue, Sep 29, 2009 at 10:32:27AM +0800, Wu Fengguang wrote:
> > This should help a bit for XFS as it historically does multi-page
> > writeouts from ->writepages (and apprently btrfs that added some
> ->writepage ?


> > write-around recently?) but not those brave filesystems only
> > implementing the multi-page writeout from writepages as designed.
> Thanks. Just tried write_cache_pages(), looks simple. Need to further
> convert all aops->writepages to support lumpy pageout :)

Yeah. Most ->writepages instances are just copies of write_cache_pages
with local hacks. If you have any good idea to consolidate that that
would be great. Also XFS and btrfs do cluster move pages even from
->writepage, I wonder how well that interacts with reclaim.

 \ /
  Last update: 2009-09-29 16:25    [W:0.126 / U:0.904 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site